Home
Class 12
PHYSICS
When p-n junction diode is forward biase...

When `p-n` junction diode is forward biased, then

A

the depletion region is reduced and barrier height is increased

B

the depletion region is widened and barrier height is reduced

C

both depletion region and barrier height are reduced.

D

both the depletion region and barrier height are increased.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    RESONANCE ENGLISH|Exercise Exercise 2|16 Videos

  • REVISION DPP

    RESONANCE ENGLISH|Exercise All Questions|463 Videos

  • SIMPLE HARMONIC MOTION

    RESONANCE ENGLISH|Exercise Advanced Level Problems|13 Videos

Similar Questions

Explore conceptually related problems

When a p-n junction diode is reverse biased the flow of current across the junction is mainly due to

p-n junction is called as forward biased when

When LED is forward biased, then

A p-n junction diode is reverse biased. Then

When a junction diode is reverse biased, then current called drift current is due to

For making p-n junction diode forward biased:

If a p-n junction diode is reverse biased, then the resistance measured by an ohm-meter will be

A forward biased diode is

In a PN -junction diode

In which of the following figures, junction diode is forward biased?

RESONANCE ENGLISH-SEMICONDUCTORS-Exercise 3
  1. When p-n junction diode is forward biased, then

    Text Solution

    |

  2. When a n-p-n transistor is used as an amplifier, then

    Text Solution

    |

  3. The electrical conductivity of a semiconductor increases when electrom...

    Text Solution

    |

  4. In a common base amplifier the phase difference the input signal volta...

    Text Solution

    |

  5. If a full wave rectifier circuit is operating from 50 Hz mains, the fu...

    Text Solution

    |

  6. If the ratio of the concentration of electrons and that of holes in a ...

    Text Solution

    |

  7. In a common base mode of a transition , the collector current is 5.48...

    Text Solution

    |

  8. If the lattice constant of this semiconductor is decreased, then which...

    Text Solution

    |

  9. The circuit has two oppositely connect ideal diodes in parallel. What ...

    Text Solution

    |

  10. If in a p-n junction, a square input signal of 10 V is applied as show...

    Text Solution

    |

  11. Carbon, silicon and germanium have four valence electrons each. At roo...

    Text Solution

    |

  12. A working transistor with its three legs marked P, Q and R is tested u...

    Text Solution

    |

  13. In the circuit below, A and B represent two inputs and C represents th...

    Text Solution

    |

  14. The Fig shown input waveforms A and B to a logic gate. Draw the output...

    Text Solution

    |

  15. A p -n junction (D) shown in the figure can act as a rectifier. An alt...

    Text Solution

    |

  16. The output of an OR gate is connected to both the inputs of a NAND gat...

    Text Solution

    |

  17. Truth table for system of four NAND gates as shown in figure is

    Text Solution

    |

  18. The I - V characteristic of an LED is

    Text Solution

    |

  19. The forward biased diode connection among the following is

    Text Solution

    |

  20. Two identical P-N junctions, may be connected in series with a battery...

    Text Solution

    |